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ZRQ115C1-DHD340 high wind pressure down-the-hole drill bit
ZRQ115C1-DHD340 high wind pressure down-the-hole drill bit
 
 

ZRQ115C1-DHD340 drill bit technical parameters

Model

Edge teeth

Middle tooth

Head structure

Number of exhaust holes

Number of splines

Weight kg

With impactor

ZRQ115C1-DHD340

7-Φ16Q

6-Φ13Q

Plane

2

8

8.2

ZRC4

DHD340

COP44

ZRQ115C1Z-DHD340

7-Φ16Q

6-Φ13Z

Plane

2

8

8.2

ZRQ115C1-DHD340 drill bit features

 

ZRQ115C1-DHD340 drill bit is a universal drill bit developed by our company according to the characteristics of domestic rock formations, and its side teeth are adopted

 

Seven 16mm alloys improve the wear resistance and fracture resistance of the alloy, and the bit body adopts special heat treatment process

 

Technology, effectively reducing the probability of damage such as breakage, chipping, etc., so that the bit body and the alloy life can be effectively matched,

 

Embodied the characteristics of long life and high efficiency.

 

 

 
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